The toughest faults to uncover are those who occur only once in a while—intermittent situations. They may be attributable to lousy connections, dust, dirt, corrosion or simply broken wiring or connectors.B??c two: M? ph?n “Ti?n ích” trong “Cài ??t Iphone” ho?c Ipad, tùy theo thi?t b? b?n s? d?ng.V?y nên nhà cái 123b ch? c?n có b?t